3680646955543 has 8 divisors (see below), whose sum is σ = 3822128271360. Its totient is φ = 3540587562840.

The previous prime is 3680646955519. The next prime is 3680646955549. The reversal of 3680646955543 is 3455596460863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3680646955543 - 2⁵ = 3680646955511 is a prime.

It is a super-2 number, since 2×3680646955543² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680646955549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355475503 + ... + 355485856.

It is an arithmetic number, because the mean of its divisors is an integer number (477766033920).

Almost surely, 2^{3680646955543} is an apocalyptic number.

3680646955543 is a deficient number, since it is larger than the sum of its proper divisors (141481315817).

3680646955543 is a wasteful number, since it uses less digits than its factorization.

3680646955543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710961557.

The product of its (nonzero) digits is 279936000, while the sum is 64.

The spelling of 3680646955543 in words is "three trillion, six hundred eighty billion, six hundred forty-six million, nine hundred fifty-five thousand, five hundred forty-three".